/Engine/Source/Runtime/Foliage/Public/ProceduralFoliageTile.h
Initializes the tile for simulation. Called automatically by Simulate, so only bother to call if the tile won't actually simulate.
void InitSimulation ( const [UProceduralFoliageSpawner](API\Runtime\Foliage\UProceduralFoliageSpawner) * InFoliageSpawner, const int32 InRandomSeed )